About Japanese webcomic hosting sites
Many popular Japanese web manga are provided on creator's own wabsites.
These manga sites have joined “WebComicRanking(http://www.webcomicranking.com/) “ and they got their followers.
These online manga have been published in print and adapted to anime series.
The largest Japanese online community for manga-style artists.
You can post your manga...but original manga will not be able to get a lot of viewers in this place. The majority of Pixiv users want to see fanart in color. And if a Normal member want to fix one's manga, the one have to delete the old page to upload a new version.
Added: Pixiv started original web manga distributing service "MANGA pixiv" late 2014.
This is the largest Japanese online community for web manga, it have a great number of readers and artists.
Users who read the manga on Seiga can add their own comments easily, same as Niconico-Douga
There are several types of rankings and a lot of unique system which giving rookies good chance to get popularity.
Common members can upload their manga 20 chapters only. If you have Premium-Membership (Pay-membership) account, you can upload 100 chapters.
(Recommended page size within 650px transversely / 1200px longitudinally, upper limit 50pages/chapter)
Read here for more info: http://learnmmd.com/http:/learnmmd.com/welcome-nico-seiga/
Niconico is introducing a premium system “Encouragement Program”, popular works are given “score”.
“Score” can exchange niconico-point or money, but to receive cash the user must have account of Rakuten bank in Japan, while niconico-point can be used as e-money which purchase several service and contents on Niconico.
Popular niconico manga
- “Aiura” by Chama
- “Senyu” by Robinson Haruhara
Digital content sales platform started in 2013.
This service hasn’t good interface for manga, but several Japanese popular manga/anime artists have the account.
One of Japanese online self-publishing site.
Any professional manga artists use this service.
- http://p.booklog.jp/users/hinagi934 (Minene Sakurano)
- http://p.booklog.jp/users/watanabemichiaki (Michiaki Watanabe)
BTW, the overwhelming majority of t Japanese otaku HATE facebook.
And many Japanese doujin artist dislike Tumblr…
Then these two SNS are not suitable for the construction of Japanese fan base.